- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 21/08 - Tubes with a single discharge path having electrostatic control means only with movable electrode or electrodes
Patent holdings for IPC class H01J 21/08
Total number of patents in this class: 6
10-year publication summary
0
|
0
|
0
|
2
|
4
|
1
|
0
|
0
|
0
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Siemens AG | 24990 |
2 |
International Business Machines Corporation | 60644 |
2 |
Aureon Energy Ltd. | 15 |
1 |
Siemens Energy Global GmbH & Co. KG | 2775 |
1 |
Other owners | 0 |